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Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter Vi - Problem 2p
Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter Vi - Problem 2p

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# over day, night, seasons, and weather conditions, a square

ISBN: 9780130606204 3

## Solution for problem 2P Chapter VI

Physics: Principles with Applications | 6th Edition

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Problem 2P

over day, night, seasons, and weather conditions, a square meter of the earth’s surface receives an average of 240 W of radiant energy from the sun. The average power radiated back to space is A. Less than 240 W. B. More than 240 W. C. Approximately 240 W?.

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Solution 2P Introduction: The earth tends to maintain a steady climate of its atmosphere. In order to do that, it must radiate back the same average power to the space as that it receives from the sun. Solution: Since the earth receives 240 W of energy on average from the sun per square meter, hence it is expected to radiate back the same amount of power to the space. Conclusion: Therefore, the average power radiated back to the space is approximately 240 W. So, option C is correct.

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